Dweets by u/alqurafi

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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alqurafi

function u(t) {

c.width=800
for(i=0;i<1e4;i++){a=t+i
e=100
r=(e+e/(i/1e4*1.5))-(i/1e4*e)
x.fillRect(300+C(a)*r, 200+S(a)*r/t, 1, 1)}c.style.filter="invert("

Sep 2 2020 12:58 AM UTC

}// 140/140

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Black Hole!

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alqurafi

function u(t) {

c.width=1920
for(j=0;j<9;j++)for(i=0;i<1920;i++)x.fillRect(i*S(t)*t,j*120,t,C(t*45+(i/400)))
c.style.filter="invert("

Sep 2 2020 12:01 AM UTC

}// 117/140

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Time Travel!

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alqurafi

function u(t) {

c.width=1920
for(j=0;j<12;j++)for(i=0;i<1920;i++)x.fillRect(i,810+j*15,1,C(t*15+(i/400))*((i-800)/24))
c.style.filter="invert("

Sep 1 2020 11:46 PM UTC

}// 127/140

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Wave!

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alqurafi

function u(t) {

c.style.filter = "invert("
x.moveTo(960+C(t*11)*100,540+S(t*11)*100)
x.lineTo(960+C(t)*400, 540+S(t)*400)
x.stroke()

May 9 2020 4:39 PM UTC

}// 118/140

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Star!

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